The hole in one basket will work with the following adapters and regulators.

And following sample vaccumes:

The Hole in One Basket is a direct replacement for these skimmer baskets:

Hayward SPX1070E, Sta-Rite 086500007, Pentair 85014600, Pentair 85014500, Pentair 516112, Waterway WW5423240 or any skimmer basket measuring 5 ¾” X 5 3/16” X 8 ½”